Bipinnate
pinnate, as a leaf, with the divisions also pinnate.
historical examples
the fern lover’s companion george henry tilton
the elements of botany asa gray
the ocean world: louis figuier
narrative of the voyage of h.m.s. rattlesnake, commanded by the late captain owen stanley, r.n., f.r.s. etc. during the years 1846-1850. including discoveries and surveys in new guinea, the louisiade archipelago, etc. to which is added the account of mr. e.b. kennedy’s expedition for the exploration of the cape york peninsula. by john macgillivray, f.r.g.s. naturalist to the expedition. in two volumes. volume 1. john macgillivray
the elements of botany asa gray
the fern lover’s companion george henry tilton
the manual of the botany of the northern united states asa gray
field and woodland plants william s. furneaux
an elementary text-book of the microscope john william griffith
scientific american supplement, no. 613, october 1, 1887 various
adjective
(of pinnate leaves) having the leaflets themselves divided into smaller leaflets
bipinnate
(bī-pĭn’āt’)
relating to compound leaves that grow opposite each other on a larger stem; twice-compound or twice-pinnate. bipinnate leaves have a feathery appearance. the acacia, coffeetree, and silktree have bipinnate leaves.
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